Carbureter.



H. A. SEKOWSKK OARBURETER.

APPLICATION FILED DEG.19,1910.

1,002,458, Patented Sept. 5,1911.

5 SHEETS-SHEET 1.

WW I QgW/M Sim/7 H. A. SEKOWSKY.

GARBURETER.

APPLICATION FILED DEO.19,1910.

1,002,458, I Patented Sept. 5, 1911.

5 SHEETS-SHEET 2.

MvM

H. A. SEKOWSKY.

. GARBURETER. APPLICATION FILED DEC. 19, 1910.

1,002,458. Patented Sept. 5, 1911.

s SHEETS-SHEET a.

mums

H. A. SEKOWSKY.

GARBURETER.

APPLIOATION FILED 1130.19, 1910.

1 ,OO2,4'58. Patented Sept. 5, 1911.

6 SHEETS-SHEET 4.

m Mid/Aw ILA. SEKOWSKY.

GARBURETER.

APPLIOATION FILED D110. 19, 1910.

1,002,458. Patented Sept. 5,1911.

6 SHEETS-SHEET 6.

. M I 51 j if r/ I .29 x i moo @0000; moooco om moo j 1,002,458. CARBURlC'llIlt. llsunaxx A. Hl-zuowsav, t\lilwaul\'ce, \\-'is.. assignor to lmetl'clholz (,ompany, Milwaukee, Wis, a Corporation of \Visconsiu. Filed Dec. 19, late. Serial No. aasaa-t.

['0 all whom. it may concern:

Be it known that I, Iisnuaxx Ssaowsm', a citizen of the United States, residing at Milwaukee, county of .\Iil\vaukee, and

State of Wisconsin, have invented new and useful lmtprm'enu'nts in ('arlaueters, of

which the allowing is a speciticatimi.

carburetors, and it pertains more especially to that class winch is adapted to we used wlth automobiles.

other things, 1st, to provide a gas gcnerato by which a mimmmn quantity of the combustible fluid is withdrawn from the reservoir amt acted upon at any one time, whereby the loss and mjnrions etlects of shakin' and jostling a large volume of liquid incldent to traveling over rough roads, as is usually the. case with automobiles, is avoid- ;ed, and whereby substantially -all of the fliquid fuel which is withdrawn from the j reservoir is vaporized aml burned; 2nd, to i provide means for so tltOlOtH'ltlV comminj gling the vapor with the air In the pro )er proportions that a more perfect combustion ithan .herctot'ore is attained. whereby all noxious and disagreeable odors from the burniug of the fuel is prevented and the 3 fuel is used with the-greatest economy: amt 1 3rd, to so construct the operative mechanism of the carburetor that all parts will auto-- maticallv adjust themeslves to cooperate t under a l the varying comlitions to which 1 the apparatus is subjected and the neccssitv, l

of manually regulatin the device is avoided. t The construction oFmy invention is farther explained by reference to the aecom-. panying drawings, in which- Figure 1 represents a side view. part broken away, to show the interior construction. Fig. 2 is a vertical section, drawn OH. line 10-10 of Figs. 3 and t). Fig. 3 is a ver-, tieal section, drawn on line 2-2 of Figs. 2 and 6. Fig. 4 is a transverse section, drawn on line 1 1 of Fig. 3. Fig. .5 is a vertical section, drawn on line vv of Fig. 1. Fig. 6 is a to) view, and Fig. T is a transverse section, rawn on line m--.r of Fig. 3.

Like parts are identified by thesame reference numerals throughout the several views. 1 represents the mixing chamber of the carburetor, which is connected with the cylinder of an engine, through the valve chamber 2 and ordinary tubing not shown,\\-hieh tubing communicates with the valve chamher 2 through the outlet port 3.

4 is a duct which communicates between the carburetor and a reservoir of gasoleue or My invention relates to iuqn'ovenu-nts in The object of my improvement is, among other liquid fuel, with which the carlnn'eter is supplied.

5 is an inward opening check valve. which t is adapted to close the inncrcnd oi: the liquid iduct. ti as the same is forced to its seat by I the upward movement of the Hunt T. lti will be understood that said valve is adapted to be. opened by the. 'n-essure ot' thc, ntlowingliqnid against it. until the tloatclunnher 8 is tilled to the desired point with liquid. when, however, the Hunt chamber L S is tilted to the. desired point. the. free end 9 g. of the tloat. is buoyed up thereby, whereby the contact member 10 of the, Hunt is brought against the end of the valve 5, said valve S s forced to its seat. and the flow ot liquid stopped. The tluat T is pivotally connected with the bottom of the tloat. chamber 8 by the hinge member 11. it. will he understood that with the back stroke of the piston tn the cvlinder of the engine, a partia vacuum is f rmed in the carburetor, whereby a small I quantitv of liquid is caused to (low from the reservoir. not. shown. into the tloat chamber 8. and that as the float chamber becomes partiallv titled with liquid, the. front end 2) of the. lloat is caused to move upward by the buoyancy ot' the liquid when the valve is closed. as stated, aml the further admission of liquid is prevented.

'lhe tloat chamber 8 is preferably made of comparatively small dimensions, but slightly larger than the tloat, whereby the tloat is brought into close proximity with the walls of the chamber, and whereby a small quantity of liquid only is required to till such chamber around the tloat to and above the level of the outlet duct 12. through which the liquid escapes from the float chamber. 'l'he outlet duct. is connected with the float chamber through the horizontal start 13 aml said duct 12 is preferably,pro-

vided with an inlet air port 14, whcreby a small quantity of air is drawn into said duct 12 as the. liquid escapes therefrom. As the liquid escapes from the duct 12. it. dc.- seends of its own gravity to the bottom of the inlet air clnnnber 15. and is thereby distributed in a thin sheet over the entire bottom of the. inlet air chamber 15, when it bccomes rapidly vaporized by the upward current. of air above and around it. when the vaporized liquid together with the air which is simultaiuamsly admitted to the receptacle with each back stroke of the. piston. passes from the. chamber 15 upward and around the inlet duct. 12. thence tbrouglt tllt. an'loratcd or screened wall 16 and thence, as stated. through the valve chamber .2 to the cylinder of the engine. while. a strong current of air is simultaneously admitted to the carlnlrcter with each back stroke of the pisston through the downwardly o )euing valve 17, which valve is adapted to close the inlet ported l'l'Olii one of the radial arms 21 above:

1 liquid is rapidly converted When. however, the motor is started. a parfrom the Heat chamber into the air fltit air port 19 of the carburctcr. The valve 17? is supported in contact with its seat by the; spiral siring 20 and said spring 20 is supthe iort 19 by the vertical bolt 22 and bolt head 23. Thus it will be understood that by the some movement of the piston whi. l. causes the liquid to flow into t to carburetci" through the duct. 6, a quantity of extcriori air will simultaneously be caused to enterthe i carburetor through the spring supported valve 17 and that with the reverse movement of the piston, the inlet duct 6 is closed bV the valve 5. while the inlet air duct 19 is simultaneously closed by the valve 17.

To accelerate the vaporization of the gasolcnc, l have provided a duct 24, which duct is provided with a minute aperture 25.. through which when priming the carburetor. a small quantity of the gasolcne. or other liquid flows from the inlet air chamber to the mixing chamber, whereby a thin film of liquid is exposed to the action of the air along the bottom of both the air chamber and the mixing chamber aml between it and the under side of the air chamber. which into vapor.

tial vacuum is formed in the chamber 15. which causes the vaporized gasolenc as it is expanded by vaporization, to pass up through the duct .24 into the air chamber and from thence to the mixing chamber until such liquid is all vaporized and drawn back into the air chamber through said duct 24.

It will, of course, be understood, that when i the engine is in operation. the rcquiredl quantity of gas will be generated with each stroke of the piston as the asolene mSsORE l mix-. ing chambers. it will be understood .that. quantity of gasolene will still remain in the bottom of the chamber 15. after a portion of it has flowed into the bottom of the chamber 1.

For convenience of construction. the chamber 15 is formed with a horizontal opening .27 for the reception of the tloat chamber 8. which is inserted in such transverse opening. as shown in Fig. 3. when such chamber 15. together with the float chamber are inserted from the top of the mixing chamber 1. it will be understood that the side passage 28 ot' the chamber 15 forms an inlet duct for the passage of air and the ;saine communicates with the inlet air portitfi at the top of the carburcter. whereby it flat obvious that the air in its course from the inlet. valve passes first downwardly through the passage 28. thence beneath the tloat clnunber 8. thence upwardly around the duct I), where it is coanuingled with the escaping liquid and v apor, thence out through the screened partition 16 and thence out through The valve chamber 2 and outlet port 3 to the engine. whereby the air and vaporized liquid the operator. motion being connnnnicatml from the operator to the. valve 5 by drawing the valve rod .29 toward the left. \\''hen the. valve rod in is drawn toward the left. m

. ti n is tlittlltlllllltillttl therefrom to the float 1 through th arms 2H) and ill of the elbow rank lever 32, whereby the arm 31 is forced downwardly upon the upper end of the rod as, when the lower end of said rod iscaused to bear upon the rear end of 9 of the Heat, whereby the rear end of the lloat 9 is forced down from the. position shown in Fig. 1 to that shown in Fig. 3, and whereby the valve 5 is released from contact with the tloat. when said valve is thrown to the open position by the pressure of the combustible liquid against it. The

; tloat is retained in its lower position until the required liquid is admitted for producing the initial action of the engine when the. valve rod .29 is released and the rear end 9 ol' the Hunt is free to rise whereby the further admission of liquid is prevented until the demands of the. enginerequireadditional liquid.

34 is an additional valve rod. which is 1 provided simply to enable the operator to 1 operate the device from the opposite side of the carhiircter in case circumstances should so require.

35 is a damper of ordinary minstruetion. which is pivotally supported in the valve chamber .2 upon the transversely arranged rod 36 and said rod 36 is provided upon its exterior protruding end with an operating Zita is a stop pin. whici is rigidly supported from the side of the valve chamber of the operating lever 37 is brought as the valve. 35 is closed.

40 is a safety valve. which is adapted to close the port 41 and said valve is retained in its closed position by a spiral spring l2. said spring being supported from the valve rod 43 and is adapted to hear at one end against the transversely arranged nicinbcr t! at the valve seat.

lever 37. by which it is o iened am .elosecL.

The object of thcl safety valve. is to provule for the escape of gas in case of an explosion of the same. by I 2 and against which the contact. hearing it!) against the pin ll and at its opposite end i I I o a I I accidentally igniting in the valve chamber 1 2. The valve 40 is preferably iiicloscd with a wire screen 50 ot ordinary (anistruction. and the same is retained in place over and around the valve port by the screw threaded collar 51. 52 is a water jacket ot ordinary of gusolcne or other liquid fact only is ad- 1 chamber. all that part of the receitacle supported from amt within the mixing construction, into which water is led fromt the supply through the duct When it' becomes tented, it. rises and passes out through the duct 54, whereby the em'bureteri is prevented from becoming excessively heated.

l'lxpcrience has demonstrated thatv bv thus providing a iloat chamber of small dimensions and a lloat which occupies the greater part of the tloat chamber, a small quantitv mitted to the carbureter at a time. andithat by tlms admitting a small quantity only at a time, the. waste and loss mcident to supplying large volumes ot liquid is avoided and the liquid is more perfectly vaporized,

while a less quantity of the. liquid is necessary to operate, the float. 'lxperienco has also proved that by thus admitting a small quantity of liquid only at. a time, it is more thoroughly acted upon by the air aml more thoroughly vaporized amt that the loss front the accumulation of heavy refuse matterhcrctot'ore experienced. where larger vol-, tunes of liquid are admitted to tho carbureter at a time is avoided.

Attention is called to the la t that all the several cotiperating parts by which the admission of the liquid to the limit chamla-rare controlled, are non-adjustable, and are acted upon solely bv the buoyancy of the liquid admitted and conscqm-ntly the ap-, paratus is not subject to variation and defective operation, as is frequently the case where such parts are subject to change by manual adjustment.

For convenience of description. all that 3 part of the carbureter comprising the inelosing walls 60 is referred to as the mixing within the walls of the mixing ehmn IN' (is' referred to as the inlet air chamber aml the other chamber in which the tloat is located. is referred to as the float chamber. the same being supported within the inlet air chamher and that. each of said three ehmnhers are formed separately: that the air chamber is chamber and the tloat chamber is supported from and within the inlet. air chamber. and

: the inlet. air chamber and tlout. chamber are adapted to be inserted from the to) of the mixing chamber, substantially as s town in Figs. .2 and 3.

Having thus aleseribed my invention. what 1 claim as new. and desire to secure by Letters Patent, is-

l. In a earlmreter ol' the described class, the combination of a mixing cluunber. an inlet air chamber, a tlout chamber. a tlout located in said tloat cluunbcr. an inlet liquid duet communicating through said mixing chamber with said tlout chamber, a liquid controlling valve located within said duct, said valve being adapted to he normally opened by the passage. of liquid in said duct and closed by the action of said illoat. I f 2.. in a carburcler ol' the described class, the cmnbination of a mixing chamber. an tinlet air chamber. a [hint chamber. a lloattlocated in and hinged atone end to said tloat chamber, an inlet liquid duct ('tHttIlttT-ttitcating through said mixing chamberwith said tloat chamber, a liquid controlling valve located in said duct and adapted to the o )tlltti by the. presnrc of the liquid ithet'ettt. said tlout being adapted as one end {is raised by the buoyancy ot' the surroundling liquid to contact with and close said !valve. said tloat hemg adapted as the liquid 'snhsidcs, to move out of contact with said valve. when said valve is opened by the pres ure of liquid indcpcmlently of the action of said Heat.

3. In a carlmretcr of the described class, the combination of a mixing chamber, an inlet air chamber. a lloat and chamber therefor located partially within said air chamber, means for manually depressing said tlout from the exterior. whereby the initial quantity of liquid is admitted to, said chamber for priming the carbnrctcrt \repuratory to starting the engine. an inlet iquid duct conun nnicat ing through said ,nnxmg chamber with said tlout chamber. a iliquid controlling valve located within said duct, said valve being adapted to he nor- 'mall opened hr the' passage of liquid in said duct and closed by the.action of said t'loat.

4. In a carbureter of the described class, the combination of a mixing chamber. an inlet air chamber, a tloalchamber, a tloat located in said llont chamber. an inlet liquid duct communicating through said mixing chamber with said lloat chamber, a liquid controlling valve located within said duct, said valve being adapted to he normally opened by the passage of lit aid in said duct and closed by the action oi said tlout, aml an overllow duct communicating from the tlout chamber with the inclosing inlet air chamber.

5. In a earbureter of the deserilx-d class, the combination of a mixing chamber. an inlet, air chamber, a tloat chamber, a tloat located in said tlout chamber, an inlet liquid duet conunnnicating through said mixing chamber with said tloat. chamber, a liquid controlling valve located within said duet, j ,said valve being adapted to be normally ,opened by the passage of ii aid in said duct ,nnd closed by the action 0 said tloat, and i ,an overflow duct connnunicating from the tloat chamber, said duct being provided -upon one side with an inlet air port.

6. In a carburetor of the described class,

, the combination of a mixing chamber, an inlet air chamber, a tloat chamber, a lloat;

located in said tloat chamber, an inlet liquid 1 duct communicating through said mixing! chamber with said tloatchamber, a liquid i controlling valve located within said duct,

said valve being adapted to be normally opened by the passage of liquid in said duct and closed by the action of said tloat, an overflow duet communicating from the limitchamber with the inclosing inlet air chamber, and a duct communicating from the bottom of said inlet air chamber with the inclosing mixing chamber.

7. In a carbureter of the described class, the combination of a mixing chamber, an inlet air chamber, a float chamber, a tloatlocated in said tloat chamber, an inlet liquid duct communicating, through said mixing chamber with said that chamber, a liquid controlling valve located within said duct,

said valve being adapted to be normally opened by the passage of hquid in said ductand closed by the action of said tloat, an overflow duet communicating from the tloat chamber with the inclosing inletair chamber, aml a duct communicating from the bottom of said inlet air chamber with the inclosing mixing chamber, said oveillmv', duct and said last. named duet being provided with inlet air ports. j 8. In a carbureter of the described class,

the combination of a mixing chamber, an

inlet air chamber supported from and located within the mixing chamber, a float chamber supported from and located partially within said inlet air chamber, a tloat located in said tloat chamber, an inlet. liquid duct communicating through said mixing chamber with said tloat chamber, a liquid controlling valve located within said duct, said valve being adapted to be normally opened by the assage of liquid in said duct and closed by t it: action of said float, a float rodcominunicating from the exterior of the mixing chamber with the tloat in said tloat chamber, spring actuated means for raising said rod and relieving said tloat aml manually controlled means for compressing said spring and moving said rod downwardly 5 against said tloat.

9. In a carbureter of the described class, the combination ot a mixing chamber. an

% inlet. air chamber supported from and located within the mixing chamber, said inlet air chamber being provided with a passage for the admission of air. a transverse openmg for the reception of the limit eliulilbei,

a perforated partition through aml by which escaping air and vapor are com min led together, a tloiit chamber support-- ed rom and located partially within said inlet air chamber, a that located in said float chamber, an inlet liquid duct coininnnicating through said mixing chamber; with said lloat chiuuber, a liquid controlling; valve located within said duct, said ,valvei being ada itcd to be normally opened by the passage oi liquid in said duct. and closed by th action of said lloat. I

ll in a carbureter of the described class, the combination of a mixing chamber, an inlet air chamber supported from and lo-'. cated within the mixing. chamber, a tloat;

tially within said inlet air chamber, a tloat,i located in said tloat chamber, an inlet liquid chamber with said tloat chamber, a liquid' controlling valve located within said duct,

chamber supported from aml located parduct communicating through said mixing,

said valve being adapted to be normally- 

